213201134 has 4 divisors (see below), whose sum is σ = 319801704. Its totient is φ = 106600566.

The previous prime is 213201103. The next prime is 213201137. The reversal of 213201134 is 431102312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213201137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53300282 + ... + 53300285.

It is an arithmetic number, because the mean of its divisors is an integer number (79950426).

Almost surely, 2^213201134 is an apocalyptic number.

213201134 is a deficient number, since it is larger than the sum of its proper divisors (106600570).

213201134 is a wasteful number, since it uses less digits than its factorization.

213201134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106600569.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 213201134 is about 14601.4086306767. The cubic root of 213201134 is about 597.3971826374.

Adding to 213201134 its reverse (431102312), we get a palindrome (644303446).

The spelling of 213201134 in words is "two hundred thirteen million, two hundred one thousand, one hundred thirty-four".